**Core Concept**
A tongue anomaly refers to any congenital or acquired abnormality of the tongue, which can be structural, functional, or both. These anomalies can affect the tongue's shape, size, or mobility.

**Why the Correct Answer is Right**
Bifid tongue, also known as cleft tongue, is a rare congenital anomaly characterized by a cleft or fissure in the midline of the tongue. This condition is usually associated with other congenital anomalies, such as cleft lip and palate, and may be caused by abnormalities in the fusion of the tongue during embryonic development. The bifid tongue can cause difficulties in speech, feeding, and oral hygiene.

**Why Each Wrong Option is Incorrect**
**Option A:** Fissured tongue refers to small cracks or grooves on the surface of the tongue, often caused by vitamin deficiencies or geographic tongue. This is not a congenital anomaly.
**Option C:** Macroglossia refers to an abnormally large tongue, which can be caused by various conditions, such as hypothyroidism, amyloidosis, or lymphedema. This is not a specific type of tongue anomaly.
**Option D:** All of the above is incorrect because the other options do not describe a congenital anomaly of the tongue.

**Clinical Pearl / High-Yield Fact**
It's essential to note that tongue anomalies can be associated with other congenital anomalies, and a thorough examination and evaluation are necessary to determine the underlying cause and management plan.

**✓ Correct Answer: B. Bifid tongue**